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Top open source captcha AI tools

Browse AI tools grouped by tag, then refine by price, rating, and freshness.

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Tag: open source captcha×
P
4.8

Prosopo

AI Agent

Prosopo (prosopo.io) is an open-source, privacy-first bot and AI agent management platform that protects web applications, forms, and APIs from scraping, scalping, credential stuffing, and account takeovers using explainable detection logs, edge deployment, and Procaptcha.

FreemiumView tool
A
4.9

Altcha

AI Agent

Altcha (altcha.org) is an open-source, self-hosted, and privacy-respecting spam and bot defense widget that utilizes cryptographic proof-of-work challenges to secure web forms without cookies, tracking, or external API dependencies.

FreeView tool